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<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">html</span>  <span class="attr">xmlns:th</span>=<span class="string">&quot;http://www.thymeleaf.org&quot;</span>&gt;</span></span><br></pre></td></tr></table></figure>

<span id="more"></span>

<h4 id="基本使用方法"><a href="#基本使用方法" class="headerlink" title="基本使用方法"></a>基本使用方法</h4><ul>
<li><strong>引用web静态资源<br>Thymeleaf通过”@{}”来引用web静态资源，例如：</strong></li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">th:src</span>=<span class="string">&quot;@&#123;bootstrap/js/boostrap.min.js&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br></pre></td></tr></table></figure>

<ul>
<li><strong>访问model模型中的数据，例如访问一个user对象的name属性</strong></li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">span</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.name&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">span</span>&gt;</span></span><br></pre></td></tr></table></figure>

<ul>
<li><strong>数据迭代<br>例如迭代一个userlist集合</strong></li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">tr</span> <span class="attr">th:each</span>=<span class="string">&quot;user : $&#123;userlist&#125;&quot;</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.name&#125;&quot;</span>&gt;</span>tyrone<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.age&#125;&quot;</span>&gt;</span>18<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">tr</span>&gt;</span></span><br></pre></td></tr></table></figure>

<blockquote>
<p>使用th:each做循环迭代，并使用${对象.属性}来访问具体的值</p>
</blockquote>
<p><strong>进阶</strong></p>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">tr</span> <span class="attr">th:each</span>=<span class="string">&quot;user,userStat:$&#123;userlist&#125;&quot;</span> <span class="attr">th:class</span>=<span class="string">&quot;$&#123;userStat.odd&#125;?&#x27;odd&#x27;:&#x27;even&#x27;&quot;</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.id&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.username&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.password&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;user.petname&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">tr</span>&gt;</span></span><br></pre></td></tr></table></figure>

<ul>
<li><strong>判断是否为空</strong></li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">tr</span> <span class="attr">th:if</span>=<span class="string">&quot;$&#123;messages.empty&#125;&quot;</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">td</span> <span class="attr">colspan</span>=<span class="string">&quot;3&quot;</span>&gt;</span>No messages<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">tr</span>&gt;</span></span><br></pre></td></tr></table></figure>

<ul>
<li><strong>在Javascript中访问model模型数据</strong></li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">th:inline</span>=<span class="string">&quot;javascript&quot;</span>&gt;</span><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript">    <span class="keyword">var</span> user = [[$&#123;user&#125;]]</span></span><br><span class="line"><span class="language-javascript">    <span class="variable language_">console</span>.<span class="title function_">log</span>(user.<span class="property">name</span> + <span class="string">&quot;\t&quot;</span> + user.<span class="property">age</span>);</span></span><br><span class="line"><span class="language-javascript"></span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br></pre></td></tr></table></figure>

<blockquote>
<p>通过添加th:inline=”javascript”到script标签来访问model模型数据<br>通过”[[${}]]”这种格式来获取具体的值</p>
</blockquote>
<h4 id="具体"><a href="#具体" class="headerlink" title="具体"></a>具体</h4><p><strong>表达式</strong></p>
<p>**简单表达式 **</p>
<ul>
<li>可用值表达式(后台设置): ${…}</li>
<li>所有可用值表达式: *{…}</li>
</ul>
<blockquote>
<p>比如*{name} 从可用值中查找name，如果有上下文，比如上层是object，则查object中的name属性。</p>
</blockquote>
<ul>
<li>消息表达式: #{…} </li>
</ul>
<blockquote>
<p>国际化时使用，也可以使用内置的对象，比如date格式化数据</p>
</blockquote>
<ul>
<li>链接表达式: @{…}<br>用来配合link src href使用的语法</li>
<li>片段表达式: ~{…}<br>用来引入公共部分代码片段，并进行传值操作使用的语法。</li>
</ul>
<p>**替换：|The name is ${name}| **</p>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">a</span> <span class="attr">href</span>=<span class="string">&quot;&quot;</span> <span class="attr">th:href</span>=<span class="string">&quot;@&#123;|/name/$&#123;test.size()&#125;|&#125;&quot;</span>&gt;</span>链接地址：<span class="tag">&lt;/<span class="name">a</span>&gt;</span> </span><br><span class="line">//渲染后的结果 </span><br><span class="line"><span class="tag">&lt;<span class="name">a</span> <span class="attr">href</span>=<span class="string">&quot;/name/3&quot;</span>&gt;</span>链接地址：<span class="tag">&lt;/<span class="name">a</span>&gt;</span> </span><br></pre></td></tr></table></figure>

<p><strong>布尔操作</strong></p>
<ul>
<li>一元 :  and   or</li>
<li>二元 :  !  ,  not</li>
</ul>
<p><strong>比较</strong></p>
<figure class="highlight java"><table><tr><td class="code"><pre><span class="line">比较：&gt; , &lt; , &gt;= , &lt;= ( gt , lt , ge , le )</span><br><span class="line">等于：== , != ( eq , ne )</span><br></pre></td></tr></table></figure>

<p><strong>条件</strong></p>
<figure class="highlight java"><table><tr><td class="code"><pre><span class="line">If-then: (<span class="keyword">if</span>) ? (then)</span><br><span class="line">If-then-<span class="keyword">else</span>: (<span class="keyword">if</span>) ? (then) : (<span class="keyword">else</span>)</span><br><span class="line">Default: (value) ?: (defaultvalue)</span><br></pre></td></tr></table></figure>

<p><strong>常用操作</strong></p>
<ul>
<li>日期格式化</li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">td</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;#dates.format(content.createDate,&#x27;yyyy-MM-dd HH:mm:ss&#x27;)&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br></pre></td></tr></table></figure>

<ul>
<li>下拉选择</li>
</ul>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">select</span> <span class="attr">name</span>=<span class="string">&quot;subId&quot;</span> <span class="attr">id</span>=<span class="string">&quot;subId&quot;</span> <span class="attr">lay-verify</span>=<span class="string">&quot;&quot;</span> &gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">option</span> <span class="attr">value</span>=<span class="string">&quot;&quot;</span>&gt;</span>请选择<span class="tag">&lt;/<span class="name">option</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">option</span> <span class="attr">th:each</span>=<span class="string">&quot;channelsub:$&#123;subchannels&#125;&quot;</span> <span class="attr">th:selected</span>=<span class="string">&quot;$&#123;channelsub.id == subId&#125;&quot;</span>    <span class="attr">th:value</span>=<span class="string">&quot;$&#123;channelsub.id&#125;&quot;</span> <span class="attr">th:text</span>=<span class="string">&quot;$&#123;channelsub.name&#125;&quot;</span>&gt;</span><span class="tag">&lt;/<span class="name">option</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">select</span>&gt;</span></span><br></pre></td></tr></table></figure>



<h4 id="js取值"><a href="#js取值" class="headerlink" title="js取值"></a>js取值</h4><p><strong>有时候需要传递参数到js中</strong></p>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">th:inline</span>=<span class="string">&quot;javascript&quot;</span>  &gt;</span><span class="language-javascript"></span></span><br><span class="line"><span class="language-javascript">    <span class="keyword">var</span> size= [[$&#123;test.<span class="title function_">size</span>()&#125;]];</span></span><br><span class="line"><span class="language-javascript">    <span class="variable language_">console</span>.<span class="title function_">info</span>(size)</span></span><br><span class="line"><span class="language-javascript"></span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></span><br></pre></td></tr></table></figure>



<h4 id="css取值"><a href="#css取值" class="headerlink" title="css取值"></a>css取值</h4><p><strong>首先需要后台设置classname、align的值</strong></p>
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">style</span> <span class="attr">th:inline</span>=<span class="string">&quot;css&quot;</span>&gt;</span><span class="language-css"></span></span><br><span class="line"><span class="language-css">    .<span class="selector-attr">[[$&#123;classname&#125;]</span>] &#123;</span></span><br><span class="line"><span class="language-css">        <span class="attribute">text-align</span>: [[$&#123;align&#125;]];</span></span><br><span class="line"><span class="language-css">    &#125;</span></span><br><span class="line"><span class="language-css"></span><span class="tag">&lt;/<span class="name">style</span>&gt;</span></span><br></pre></td></tr></table></figure>

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class="item-headline"><i class="fas fa-stream"></i><span>目录</span><span class="toc-percentage"></span></div><div class="toc-content is-expand"><ol class="toc"><li class="toc-item toc-level-4"><a class="toc-link" href="#Thymeleaf%E6%A6%82%E8%BF%B0"><span class="toc-number">1.</span> <span class="toc-text">Thymeleaf概述</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%9F%BA%E6%9C%AC%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95"><span class="toc-number">2.</span> <span class="toc-text">基本使用方法</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%85%B7%E4%BD%93"><span class="toc-number">3.</span> <span class="toc-text">具体</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#js%E5%8F%96%E5%80%BC"><span class="toc-number">4.</span> <span class="toc-text">js取值</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#css%E5%8F%96%E5%80%BC"><span class="toc-number">5.</span> <span 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